<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			*{
				padding: 0px;
				margin: 5px;
			}
			#top1{
				width: 300px;
				height: 20px;
				border: 2px solid red;
				float: right;
				clear: left;
			}
			#top2{
				height: 60px;
				border: 2px solid red;
				clear: both;
			}
			#top3{
				height: 80px;
				border: 2px solid red;
				clear: both;
			}
			#top4{
				height: 30px;
				border: 2px solid red;
				clear: both;
			}
			#top5{
				height: 20px;
				border: 2px solid red;
				clear: both;
			}
			#middle_right{
				border: 2px solid red;
				width: 250px;
				height: 1500px;
				float: right;
				clear: right;
			}
			#middle_left_top{
				height: 500px;
				border: 2px solid red;
				float: left;
				width: 1050px;
			}
			#middle_left_top_left{
				height: 485px;
				border: 2px solid red;
				float: left;
				width: 620px;
			}
			#middle_left_top_right{
				height: 485px;
				border: 2px solid red;
				float: right;
				width: 400px;
			}
			
			#middle_left_top{
				height: 500px;
				border: 2px solid red;
				float: left;
				width: 1050px;
			}
			#middle_left_middle{
				height: 100px;
				border: 2px solid red;
				float: left;
				width: 1050px;
			}
			#middle_left_bottom_left{
				height: 700px;
				border: 2px solid red;
				float: left;
				width: 400px;
			}
			#middle_left_bottom_right{
				/*height: 1300px;*/
				border: 2px solid red;
				float: right;
				width: 635px;
			}
			#bottom1{
				height: 100px;
				border: 2px solid red;
				clear: both;
			}
			#bottom2{
				height: 100px;
				border: 2px solid red;
				clear: both;
			}
			#bottom3{
				height: 100px;
				border: 2px solid red;
				clear: both;
			}
		</style>
	</head>
	<body>
		<div id="top1">
		</div>
		<div id="top2">
		</div>
		<div id="top3">
		</div>
		<div id="top4">
		</div>
		<div id="top5">
		</div>
		<div id="middle_right"></div>
		<div id="middle_left_top"><div id="middle_left_top_left"></div><div id="middle_left_top_right"></div></div>
		<div id="middle_left_middle">
		</div>
		<div id="middle_left_bottom_left">
			
		</div>
		<div id="middle_left_bottom_right">
			<div style="height: 1000px;border: 2px dotted blue;">
				  我是内容
			</div>
		</div>
		<div id="bottom1">
		</div>
		<div id="bottom2">
		</div>
		<div id="bottom3">
		</div>
	</body>
</html>
